28900404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1729

約数の個数: 72

約数和(自身を含む): 80848040

約数和(自身を除く): 51947636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1669, 1924, 2886, 3338, 4329, 5007, 5772, 6676, 8658, 10014, 15021, 17316, 20028, 21697, 30042, 43394, 60084, 61753, 65091, 86788, 123506, 130182, 185259, 195273, 247012, 260364, 370518, 390546, 555777, 741036, 781092, 802789, 1111554, 1605578, 2223108, 2408367, 3211156, 4816734, 7225101, 9633468, 14450202, 28900404]

約数ペア:

[(1, 28900404), (2, 14450202), (3, 9633468), (4, 7225101), (6, 4816734), (9, 3211156), (12, 2408367), (13, 2223108), (18, 1605578), (26, 1111554), (36, 802789), (37, 781092), (39, 741036), (52, 555777), (74, 390546), (78, 370518), (111, 260364), (117, 247012), (148, 195273), (156, 185259), (222, 130182), (234, 123506), (333, 86788), (444, 65091), (468, 61753), (481, 60084), (666, 43394), (962, 30042), (1332, 21697), (1443, 20028), (1669, 17316), (1924, 15021), (2886, 10014), (3338, 8658), (4329, 6676), (5007, 5772)]